222626623 has 2 divisors, whose sum is σ = 222626624. Its totient is φ = 222626622.

The previous prime is 222626603. The next prime is 222626641. The reversal of 222626623 is 326626222.

222626623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222626623 - 2⁹ = 222626111 is a prime.

It is a super-2 number, since 2×222626623² = 99125226536768258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222626603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111313311 + 111313312.

It is an arithmetic number, because the mean of its divisors is an integer number (111313312).

Almost surely, 2^222626623 is an apocalyptic number.

222626623 is a deficient number, since it is larger than the sum of its proper divisors (1).

222626623 is an equidigital number, since it uses as much as digits as its factorization.

222626623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 222626623 is about 14920.6776990859. The cubic root of 222626623 is about 606.0740641141.

The spelling of 222626623 in words is "two hundred twenty-two million, six hundred twenty-six thousand, six hundred twenty-three".